US  2,728,734 <br/>
Expansion joint sealing composition. 

 -  Dec. 27, 1955 
<br/><br/> Pat.file 57 
<br/><br/><label>Subjects--Local Terms: </label><br/>ASPHALT EMULSION <br/>SEALANT 
<br/><br/><label>Call Number: </label>US 2,728,734